Watch Martin Mystery Season 3 Episode 25 full movie online free in HD with English subtitles – no download needed.
Martin Mystery: M.O.M. evaluates the agents on their successful jobs. Martin gets A+, Diana gets N which is "Needs Improvement", M.O.M. tells Java to talk more, and Billy to talk less. Diana is jealous of Martin being better than her, and is selected to attend a new school for paranormal investigators. Diana reveals to Martin that she is the unknown stranger who has been stealing his monsters, and writes a resignation letter to M.O.M, making a decision to quit the Center, in favour of the new school.